At this week's Converse: Three Artists, One Song show in Brooklyn, there were incredible mash-up performances by Kid Cudi, Rostam Batmanglij from Vampire Weekend, and Bethany Cosentino of Best Coast. The unlikely combination of sweet ballad singing, rapping, and poppy/punky guitar playing made for an incredible summer song that anyone would love, and should push "California Gurls" out of the water. Don't believe me? Listen to "All Summer" below. Read More